2451865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 3221568

約数和(自身を除く): 769703

約数列:

[1, 5, 13, 65, 67, 335, 563, 871, 2815, 4355, 7319, 36595, 37721, 188605, 490373, 2451865]

約数ペア:

[(1, 2451865), (5, 490373), (13, 188605), (65, 37721), (67, 36595), (335, 7319), (563, 4355), (871, 2815)]